William de Ros, 6th Baron de Ros

William de Ros, 6th Baron de Ros (1370-1414) was an English nobleman and politician.

Biography
William de Ros was the son of Thomas de Ros, 4th Baron de Ros, and he served as a retainer for John of Gaunt. De Ros was aggrieved by Richard II of England's poor treatment of John of Gaunt, and he took part in the King's deposition in 1399. He took part in King Henry IV of England's 1400 invasion of Scotland and in the suppression of Owain Glyndwr's uprising in 1402, and he oversaw the pardoning of those who opposed Harry Hotspur's uprising. In 1409, he was appointed Constable and Master Forester of Pickering Castle, and he died in 1414.